diff --git a/components/mpas-ocean/cime_config/testdefs/testmods_dirs/mpaso/conservation_check/shell_commands b/components/mpas-ocean/cime_config/testdefs/testmods_dirs/mpaso/conservation_check/shell_commands
index 67789cfe69c7..62c82542595f 100644
--- a/components/mpas-ocean/cime_config/testdefs/testmods_dirs/mpaso/conservation_check/shell_commands
+++ b/components/mpas-ocean/cime_config/testdefs/testmods_dirs/mpaso/conservation_check/shell_commands
@@ -1,2 +1,3 @@
 # include mpas-ocean outputs in testing
-sed -i 's#compclass="ocn" exclude_testing="true"#compclass="ocn" exclude_testing="false"#g' env_archive.xml
+sed 's|compname="mpaso" exclude_testing="true"|compname="mpaso" exclude_testing="false"|' env_archive.xml > tmp_env_archive.xml
+mv tmp_env_archive.xml env_archive.xml